[PATCH v8 11/11] virtio-gpu: Support Venus context

[Dmitry Osipenko <dmitry.osipenko@collabora.com>]

From: Antonio Caggiano <antonio.caggiano@collabora.com>

Request Venus when initializing VirGL and if vulkan=true flag is set for
virtio-gpu device.

Signed-off-by: Antonio Caggiano <antonio.caggiano@collabora.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
---
 hw/display/virtio-gpu-virgl.c  | 14 ++++++++++++++
 hw/display/virtio-gpu.c        | 15 +++++++++++++++
 include/hw/virtio/virtio-gpu.h |  3 +++
 meson.build                    |  1 +
 4 files changed, 33 insertions(+)

diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c
index c0e1ca3ff339..2eac09370b84 100644
--- a/hw/display/virtio-gpu-virgl.c
+++ b/hw/display/virtio-gpu-virgl.c
@@ -1095,6 +1095,11 @@ int virtio_gpu_virgl_init(VirtIOGPU *g)
         flags |= VIRGL_RENDERER_D3D11_SHARE_TEXTURE;
     }
 #endif
+#ifdef VIRGL_RENDERER_VENUS
+    if (virtio_gpu_venus_enabled(g->parent_obj.conf)) {
+        flags |= VIRGL_RENDERER_VENUS | VIRGL_RENDERER_RENDER_SERVER;
+    }
+#endif
 
     ret = virgl_renderer_init(g, flags, &virtio_gpu_3d_cbs);
     if (ret != 0) {
@@ -1138,5 +1143,14 @@ int virtio_gpu_virgl_get_num_capsets(VirtIOGPU *g)
         virtio_gpu_virgl_add_capset(g, VIRTIO_GPU_CAPSET_VIRGL2);
     }
 
+    if (virtio_gpu_venus_enabled(g->parent_obj.conf)) {
+        virgl_renderer_get_cap_set(VIRTIO_GPU_CAPSET_VENUS,
+                                   &capset2_max_ver,
+                                   &capset2_max_size);
+        if (capset2_max_size) {
+            virtio_gpu_virgl_add_capset(g, VIRTIO_GPU_CAPSET_VENUS);
+        }
+    }
+
     return g->num_capsets;
 }
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index fbf5c0e6b8b7..a811a86dd600 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -1496,6 +1496,19 @@ void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
 #endif
     }
 
+    if (virtio_gpu_venus_enabled(g->parent_obj.conf)) {
+#ifdef HAVE_VIRGL_VENUS
+        if (!virtio_gpu_blob_enabled(g->parent_obj.conf) ||
+            !virtio_gpu_hostmem_enabled(g->parent_obj.conf)) {
+            error_setg(errp, "venus requires enabled blob and hostmem options");
+            return;
+        }
+#else
+        error_setg(errp, "old virglrenderer, venus unsupported");
+        return;
+#endif
+    }
+
     if (!virtio_gpu_base_device_realize(qdev,
                                         virtio_gpu_handle_ctrl_cb,
                                         virtio_gpu_handle_cursor_cb,
@@ -1672,6 +1685,8 @@ static Property virtio_gpu_properties[] = {
     DEFINE_PROP_BIT("blob", VirtIOGPU, parent_obj.conf.flags,
                     VIRTIO_GPU_FLAG_BLOB_ENABLED, false),
     DEFINE_PROP_SIZE("hostmem", VirtIOGPU, parent_obj.conf.hostmem, 0),
+    DEFINE_PROP_BIT("vulkan", VirtIOGPU, parent_obj.conf.flags,
+                    VIRTIO_GPU_FLAG_VENUS_ENABLED, false),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index 3d7d001a85c5..87d812972988 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -106,6 +106,7 @@ enum virtio_gpu_base_conf_flags {
     VIRTIO_GPU_FLAG_BLOB_ENABLED,
     VIRTIO_GPU_FLAG_CONTEXT_INIT_ENABLED,
     VIRTIO_GPU_FLAG_RUTABAGA_ENABLED,
+    VIRTIO_GPU_FLAG_VENUS_ENABLED,
 };
 
 #define virtio_gpu_virgl_enabled(_cfg) \
@@ -124,6 +125,8 @@ enum virtio_gpu_base_conf_flags {
     (_cfg.flags & (1 << VIRTIO_GPU_FLAG_RUTABAGA_ENABLED))
 #define virtio_gpu_hostmem_enabled(_cfg) \
     (_cfg.hostmem > 0)
+#define virtio_gpu_venus_enabled(_cfg) \
+    (_cfg.flags & (1 << VIRTIO_GPU_FLAG_VENUS_ENABLED))
 
 struct virtio_gpu_base_conf {
     uint32_t max_outputs;
diff --git a/meson.build b/meson.build
index 3ade035e8300..30c4eaa43de0 100644
--- a/meson.build
+++ b/meson.build
@@ -2290,6 +2290,7 @@ if virgl.version().version_compare('>=1.0.0')
   config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT', 1)
   config_host_data.set('HAVE_VIRGL_CONTEXT_CREATE_WITH_FLAGS', 1)
   config_host_data.set('HAVE_VIRGL_RESOURCE_BLOB', 1)
+  config_host_data.set('HAVE_VIRGL_VENUS', 1)
 endif
 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
 config_host_data.set('CONFIG_VTE', vte.found())
-- 
2.44.0